Snow retention device



FIG. 1 shows a perspective view of a snow retention device in accordance with the design of the present invention;

FIG. 2 shows a top view of the snow retention device of FIG. 1;

FIG. 3 shows a bottom view of the snow retention device of FIG. 1;

FIG. 4 shows an end view of the snow retention device of FIG. 1;

FIG. 5 shows an opposing end view of the snow retention device of FIG. 4;

FIG. 6 shows an side view of the snow retention device of FIG. 1; and,

FIG. 7 show an opposing side view of the snow retention device of FIG. 6. 

The ornamental design for a snow retention device, as shown and described. 